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Computational and Mathematical Methods in Medicine
Volume 2013, Article ID 902143, 8 pages
http://dx.doi.org/10.1155/2013/902143
Research Article

Improving Spatial Adaptivity of Nonlocal Means in Low-Dosed CT Imaging Using Pointwise Fractal Dimension

1College of Computer Science, Sichuan University, No. 29 Jiuyanqiao Wangjiang Road, Chengdu 610064, Sichuan, China
2School of Computer Science, Sichuan Normal University, No. 1819 Section 2 of Chenglong Road, Chengdu 610101, Sichuan, China
3School of Automation Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 611731, Sichuan, China
4School of Information Science and Technology, East China Normal University, No. 500, Dong-Chuan Road, Shanghai 200241, China

Received 25 January 2013; Accepted 6 March 2013

Academic Editor: Shengyong Chen

Copyright © 2013 Xiuqing Zheng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Citations to this Article [6 citations]

The following is the list of published articles that have cited the current article.

  • Soo-Young Ye, Seok-Yoon Choi, Dong-Hyun Kim, and Seong-Hwan Song, “Analysis on the Depth of Anesthesia by Using EEG and ECG Signals,” Transactions on Electrical and Electronic Materials, vol. 14, no. 6, pp. 299–303, 2013. View at Publisher · View at Google Scholar
  • Fang-Hsuan Cheng, and Tze-Yun Sung, “Merging Static and Dynamic Depth Cues with Optical-Flow Recovery for Creating Stereo Videos,” Mathematical Problems in Engineering, vol. 2013, pp. 1–12, 2013. View at Publisher · View at Google Scholar
  • Zohair Al-Ameen, Ghazali Sulong, Amjad Rehman, Mznah Al-Rodhaan, Tanzila Saba, and Abdullah Al-Dhelaan, “Phase-preserving approach in denoising computed tomography medical images,” Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization, vol. 5, no. 1, pp. 16–26, 2014. View at Publisher · View at Google Scholar
  • Yi-bing Li, Qiang Fu, Fang Ye, and Qi-di Wu, “Blind Image Restoration via the Integration of Stochastic and Deterministic Methods,” Mathematical Problems in Engineering, vol. 2014, pp. 1–10, 2014. View at Publisher · View at Google Scholar
  • Hao Zhang, Dong Zeng, Hua Zhang, Jing Wang, Zhengrong Liang, and Jianhua Ma, “Applications of nonlocal means algorithm in low-dose X-ray CT image processing and reconstruction: A review,” Medical Physics, vol. 44, no. 3, pp. 1168–1185, 2017. View at Publisher · View at Google Scholar
  • Manoj Diwakar, and Manoj Kumar, “A review on CT image noise and its denoising,” Biomedical Signal Processing and Control, vol. 42, pp. 73–88, 2018. View at Publisher · View at Google Scholar